This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 12 |
| 7 | 24 |
| 8 | 48 |
| 9 | 96 |
| 10 | 288 |
| 11 | 576 |
| 12 | 1152 |
| 13 | 2304 |
| 14 | 6912 |
| 15 | 13824 |
| 16 | 27648 |
| 17 | 82944 |
| 18 | 165888 |
| 19 | 497664 |
| 20 | 1327104 |
| 21 | 2985984 |
| 22 | 7962624 |
| 23 | 19906560 |
| 24 | 59719680 |
| 25 | 143327232 |
| 26 | 358318080 |
| 27 | 955514880 |
| 28 | 2866544640 |
| 29 | 7644119040 |
| 30 | 17199267840 |
| 31 | 51597803520 |
| 32 | 137594142720 |
| 33 | 412782428160 |